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Page 8478 of Mathematical Reviews Vol. , Issue 99m
[page]

1999
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Mathematical Reviews
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The paper is devoted to the study

*of*the existence*of**almost**periodic*(AP), pseudo*almost**periodic*(PAP) and generalized pseudo*almost**periodic*(PAP) solutions*of**equation*(*«) by means*of*exponential ... The author is concerned with proving the existence*of*multiple positive solutions for a (k,n — k)-conjugate boundary value prob- lem for an*nth*-*order**difference**equation*. ...##
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Page 4089 of Mathematical Reviews Vol. , Issue 83j
[page]

1983
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Mathematical Reviews
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Elbert, A half-linear second

*order**differential**equation*(pp. 153-180); J. Elias, On the solutions*of**nth**order**differential**equation*in L?(0,00) (pp. 181-191); L. ... Yamaguchi,*Almost**periodic*solutions*of*some wave*equations*with Dirichlet boundary values (pp. 1061-1074); O. ...##
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Page 478 of Mathematical Reviews Vol. 55, Issue 2
[page]

1978
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Mathematical Reviews
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Let dx/dz=A(z)x be an

*nth**order*system corresponding to an*nth**order*linear*equation*with coefficients analytic in a domain D*of*the complex z-plane. ... All components*of*the asymptotic solution are found by solving the corresponding boundary value problems for systems 7*of**differential**equations*whose*order*does not exceed 2n. ...##
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Page 2970 of Mathematical Reviews Vol. , Issue 86g
[page]

1986
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Mathematical Reviews
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L. 86g:34095 Existence

*of**periodic*solutions*of*an*nth*-*order*nonlinear*differential**equation*with delay. (Russian)*Differential**equations*and some*of*their applications, 9-15, Tyumen. Gos. ... Author summary (translated from the Russian): “We consider*nth*-*order*nonlinear ordinary*differential**equations*with retarded argument and prove for them certain theorems on the existence*of**periodic*solutions ...##
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Page 772 of Mathematical Reviews Vol. , Issue 92b
[page]

1992
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Mathematical Reviews
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linear systems

*of**differential**equations*with*almost**periodic*coefficients under random*perturbations*. ... E. (2-ODE) On the stability in the critical case*of*a zero root and*of*a pair*of*purely imaginary roots*of*a nonautonomous*nth**order*quasilinear*equation*. ...##
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Page 367 of Mathematical Reviews Vol. 36, Issue 2
[page]

1968
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Mathematical Reviews
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F. 1770 Stability criteria for

*nth**order*, homogeneous linear dif- ferential*equations*.*Differential**Equations*and Dynamical Systems (Proc. Internat. Sympos., Mayaguez, P.R., 1965), pp. 309-321. ... J 1772 A sufficient test for the stability*of*the trivial solution*of*a third-*order**differential**equation*with*periodic*coeffi- cients. (Russian) Differencial’nye Uravnenija 3 (1967), 1707-1717. ...##
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Page 1009 of Mathematical Reviews Vol. , Issue 2003B
[page]

2003
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Mathematical Reviews
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1009 34K Functional-

*differential*and*differential*-*difference**equations*if <0. ... George Seifert (1-[ASU; Ames, IA) 2003b:34144 34K13 34C25 Wang, Gen-Qiang; Cheng, Sui Sun (RC-NTHU; Hsinchu)*Periodic*solutions*of**nth**order*delay Rayleigh*equations*. (English summary) Ann. Polon. ...##
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Page 3397 of Mathematical Reviews Vol. , Issue 2003e
[page]

2003
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Mathematical Reviews
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G. (1-MRQT-MS; Milwaukee, WI)
Oscillation

*of**nth**order*forced functional*differential**equations*. Math. Nachr. 238 (2002), 103-112. ... in any sufficiently small neighbourhood*of*this orbit the*perturbed*system has a unique*almost**periodic*solution.” ...##
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Page 5105 of Mathematical Reviews Vol. , Issue 94i
[page]

1994
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Mathematical Reviews
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Ovide Arino (F-PAU; Pau)
34K Functional-

*differential*and*differential*-*difference**equations*94i:34152 94i:34149 34K15 34K40 Zhang, Shun Nian [Zhang, Shu Nian] (PRC-ANH; Hefei) Oscillations*of**nth**order*...*Differential**Equations*9 (1993), no. 3, 375-391. Consider the*nth**order*mixed neutral*equations*n k S™x(0) — e(t)x(t— A) (-1)"" So pil) file — 01(t)) =0, i=1 i k ox) —cx(t—r)]+(-1)"*! Dix —t)=0. ...##
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Page 795 of Mathematical Reviews Vol. , Issue 94b
[page]

1994
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Mathematical Reviews
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*perturbations*

*of*boundary value problems for a class

*of*third-

*order*partial

*differential*

*equations*with degenerate elliptic limit

*equations*. ... Summary: “We present and discuss three theorems concerning the Lyapunov stability

*of*certain time

*almost*-

*periodic*solutions to parabolic partial

*differential*

*equations*

*of*reaction-diffusion type on R”. ...

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Page 48 of Mathematical Reviews Vol. 32, Issue 1
[page]

1966
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Mathematical Reviews
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On asymptotic stability

*of**almost**periodic*systems. J.*Differential**Equations*1 (1965), 234-239. ... in the neighborhood*of*a singularity ; invariant varieties and varieties transformed into themselves by systems*of**periodic**differential*equa- tions*of*the third*order*;*perturbed*systems in the case ...##
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Page 71 of Mathematical Reviews Vol. 38, Issue 1
[page]

1969
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Mathematical Reviews
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Author’s summary: “A

*perturbed*third-*order*system*of**differential**equations*, containing a rapidly rotating phase, is considered. ... Finally, the existence*of*a unique*almost*-*periodic*solution in A*of*x” =f(z, x’, t) is proved under hypotheses which include the following: f(z, y, t) is uniformly*almost*-*periodic*on A x R, and there exist ...##
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Page 1462 of Mathematical Reviews Vol. , Issue 95c
[page]

1995
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Mathematical Reviews
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Joél Blot (F-PARIS7-MI; Paris)
95¢:34081 34C27 34A30 35B15 35K55 42A75
Zhang, Chuan Yi (3-WON; London, ON)
Pseudo-

*almost*-*periodic*solutions*of*some*differential**equations*. (English summary) J. Math. ... In the present paper the authors study the*nth**order*differen- tial*equation*(+) y+ 7-5 Ac(t)y™ = e(t.y,y’,---,y""), where tc: Ry — R is continuous for k = 0,1,---,n—1 and g is continu- ous from R, x R ...##
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Page 1056 of Mathematical Reviews Vol. 50, Issue 4
[page]

1975
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Mathematical Reviews
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P. 7672 On the oscillation

*of*solutions*of*a*nth*-*order**differential**equation*. Yokohama Math. J. 22 (1974), 1-9. ...*Differential**Equations*10 (1971), 529-537; MR 44 #5595] for the*equation*y” =f(x, y), but the method*of*proof here is somewhat*different*and permits the consideration*of**equations**of*arbitrary*order*and ...##
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Page 460 of Mathematical Reviews Vol. 57, Issue 2
[page]

1979
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Mathematical Reviews
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Masterkov, Reduction

*of*certain systems*of**difference**equations*with*periodic*and*almost**periodic*coefficients to systems with constant coefficients (pp. 82-88); F. A. ... Masterkov, Singularly*perturbed*systems*of*ordinary*differential**equations*with*periodic*coefficients (pp. 41-57); V. V. ...
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